{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0xead215d83d4e50d2d0516b14d6a24118327321f34e19fca2fe9dd1bc2c213d7a",
    "signature": "0xf5279142a074725c48f14fb2de47780f0b75950c23228ba55ae900a39b038ac60cec68a54afab457e8f2ca52d13a8f8e715208802b6b67d82cda427eafafb7251c",
    "signer": "0xbBd5eA31228BfBbDD8CF5C81051073108eC9798F",
    "userId": "94407"
  }
}