{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x09ae52bf92eb64dad4479d16c6513b2a40d5de4b00ba6d2193361726ab780d5e",
    "signature": "0x179e2943d742f89228db91c1f560413332d9e4fb8cd3878a898106d8463828650eb597e07e56cf02ca7383192570a151df7c79e24f40c0abf10fd30a52474de01b",
    "signer": "0x96e9FcB3bcf2B4B9B7347B5ba96A6a8813527DE8",
    "userId": "319177310"
  }
}