{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x84487f95bbe125a761846584c224af9f01fbad91b43c740d46bfa57c18a449ff",
    "signature": "0x932e2ec42bc4cd761da86f8261641abd718d44f4a9dd8ede6e6a5d41817880c90d8a6ecdf770717133a9ee569b7200f7648b3d481ae5f0b301d02bd2a983fe3c1b",
    "signer": "0x1bC25F25fE5A19a1C628c4c0E994E67BB0b89367",
    "userId": "754969959"
  }
}