{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5077",
    "entityType": "User",
    "nonce": "0xef9c21e149a2181b46229b3186a11c1eb473940cf2feb8c3d4f375807ebdb387",
    "signature": "0x4be258f51cc9bcd0e623022833e282a907b3cda8fe3f84af3ab622960f6bcf7a2411f31192b0fed2b5ec0ef2a82650e58612f4431c4c64a126b3328392c28eaa1b",
    "signer": "0x4CeE06d27C21b91faa340CF136De92A8C4b4c5a1",
    "userId": "37803166"
  }
}