{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x05133f56d78e657d6a91bc63746bfd39f705c87e4b3ef1bc498b5f38e9a0bcff",
    "signature": "0x46e28d8b195445cd0db583ed221bcc78d068158248eb7a097dca1727ac14ad63656dec70d59a386fd4068dfa6653ec3e8b8559a02f9db39df38969b0f78f9da31c",
    "signer": "0x65C55c0eFe455e7F6996AB7341a1fb6c9050a546",
    "userId": "915173299"
  }
}