{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x34d083aa3a9ef51db3d2760ea116183c4a061c3cd57f132000e5295116edb091",
    "signature": "0xc7209f12899a871091a069ba5bb80bc2f51f8511dd6b022d7748e89c68ba5eec4a5db42788d267b296e800efbad675a970738d7c16adeccef2f7e9d70b9a75881c",
    "signer": "0xF6A82B34B4713Bf1d32BB94CC73A0acF37d4C822",
    "userId": "487342441"
  }
}