{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf6552c045383268f1babc1579f6c3eb08980a39a3633860c84cf3fcf3d4abece",
    "signature": "0xb4639618a663f8cdcbd886fb0b527bb8bac34926bf8d175367aae3652dc18bc658096a744bb2b664e296577949ff1655b348d06e3fdd591ae596fb73a1a5d0731c",
    "signer": "0x0E6e271B4E5DFa722E4216DcD4A162eF7A059946",
    "userId": "101091667"
  }
}