{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760893270",
    "entityType": "User",
    "nonce": "0xa73b88db93a87c9b9f07e0a293f971c4c9cb59494b086bfe3ff0addeec992a0e",
    "signature": "0x722be4693ec93e416caba5ac90382bda594081d168b5790448c4fd1d5eed246b482ca3266cdef1ca3336c9dce6c448cf83df82f2478c487098c3d46f12bea4f51b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}