{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486842310",
    "entityType": "User",
    "nonce": "0x35aa643545eb6bb39321a39d8d160878c0d9d099edeb11c3b4d1c94af4974ca4",
    "signature": "0x83964f03380bf939b082786c2d271a2e13495bb1b1cf3e5e49a02db9a327192579f72e58e8452488e132267a5047da223ef9bb2853f170a6d58445ddc2cd65fa1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}