{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347885",
    "entityType": "User",
    "nonce": "0xb3a7b843df853c8b29addda78a957feaf7486b9f134eb194ce23a3beeb63311e",
    "signature": "0x4e671e7720394560c6ddef00e720b7b4280600d9d51a66f3b47bac38b59506375ee64c0cf475448f5135b77215bdb3bc87d54e24053e8e8ede5344432d41fb631c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}