{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94308",
    "entityType": "User",
    "nonce": "0x325c6abc6967015c4e9329b67878ae87ff5da8ab65016b9c27d701ff543acb16",
    "signature": "0x2243e533b795d0583c35cd0f405b0db9f4c11a60d580193667e67e2ed2b4d2720942840b0f7d0eceeb92395a3c078b088144ad913c9f04a04040447b045347a01b",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}