{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0x61180620ae29e897992e54cc40018ce7cf900f2bb409a6b2a2364042f0bfb901",
    "signature": "0x919f47a8f125b1ab439675de2e3059c5c6c71721ee0c5a978528ae3f10c312673a7c37e20827f3fef0cbd8dd6b998c894b853d56a0b4a0a5e6be3d10a09bbb2e1c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}