{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131112",
    "entityType": "User",
    "nonce": "0x5602a64b6484740aaa276eda1b77176cf60b2817dd46f845404dbc4442be88ef",
    "signature": "0x7fc23c12f9c81e564dbe8c9d40831df36aa5ec3ccf8e2a266c55f12eb1f913b807fb22e2e9e3f60d2ecb2ea3f3cf7e64b51a2c7659ca4f55c71f9d5141f3b0f51c",
    "signer": "0x3cDab860Bfcc02BCDaa4624eA5C324B5e5D9f7A5",
    "userId": "370554049"
  }
}