{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xae8e5d081288a421fef95c99f4f7141bb08cfe25363a3c41c80cbd1ce5e93e6f",
    "signature": "0x5f8c26ee62e5e250d5480811340f6ff744e4bb8afbfaf22968ac429797021fd1403082d486ee30342331863fac4ef1d905b5ee798b081dfbde2e7d8c57ad25e41c",
    "signer": "0x7398b9C93326b10e13A44ea32C6AD2e1d3e85cAC",
    "userId": "416824146"
  }
}