{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfc744eefe30cf31ac7bd3a0263a8b5817dfafae94af73ff8c9a0b0738ab9c5bb",
    "signature": "0xa76dd0dad4edf8d0bf0b81c89b0eb4ca098a494100dae563dafec408605782d54876c3ed0b074d4a8cb1406747f59b1b7fee8e23fbc501fcdab6369b35f5bca31b",
    "signer": "0x09Bc9B35a18a7222aB9A0fb3211Eb36eb8dCf5b2",
    "userId": "813175682"
  }
}