{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145914",
    "entityType": "User",
    "nonce": "0xc4645176a1068df22473c45dd1c8616d2e45d09e8232ea4cc4f45150ef1bf5e2",
    "signature": "0x89bdd135a936fe02b33bec15f8cf17b1693badc3c855357cff2b087c7dbfa82c217e2fc8b76b943e3de05c8e82f1b6dd2aea264af8b7e2a9638103ca1a9c726d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}