{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x1e85eb83e1abf4112bdc8206810ee042900d2ec52d07c306f52e0fd7d683e169",
    "signature": "0x9c7ec011afc48de26774c616c9285678e6cd96f0fab8c6567d3a7dfdebf294d3432e2e43333cc41fe58bc3e12bbccd0f3e9a618d8489fc31a2a9111539df70fd1c",
    "signer": "0xAd33018d1AA234072Eed7f991F9891f3688158d3",
    "userId": "413212044"
  }
}