{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357253",
    "entityType": "User",
    "nonce": "0xae6b04c5d595987a786194022187863191d710ef6a30bcd5e5b3223e4c64f7c7",
    "signature": "0xf158820382fe9d4851776f25aede1f0b36bce9bd5dd18508bbf6781fbfc41a183c4e0c1fe9bdf82906576e027be3f888fcdee20e68600cfa11e1aaaf281b8fb01c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}