{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7905",
    "entityType": "User",
    "nonce": "0x4a0ed7c6658904241eca5dbef188b2872367e61dd2bbee57c6169bb7bc64daa3",
    "signature": "0x7844f092d0b79f63e86185b50edc60792b0d60cc5426b47f272ab467efcbb4ba3a5432a3f1b1b4e5c05a5fcdbdbd5620dae5509a5fc7b532bde095f29980cce71b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}