{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x69b98164844f0755de0c7f32394eeacd017158c02cd6794f8631388c2f240b60",
    "signature": "0xd7f354496cad3fde2b0a5984795b85dc4a0e8bf6d532a436d27c0ffa907a632328929342b357abf8e4c1357df2f6e5061ea7828ce8390806ad5f9d9c98d33dcb1c",
    "signer": "0xB12E323b11D9f9ff782100fEA9DC62fA6566Ea51",
    "userId": "622482628"
  }
}