{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "949537054",
    "entityType": "User",
    "nonce": "0xfeed6665cb377dabb16a810ab4a1ad8261c153efe24c1ccec3ddc2376d0da020",
    "signature": "0x756203083ab6c617e0f750531c566a2eb739b70340faed4e69aac733872cc76e55c1fa876b03704502bcdab8d0bd42bf32758ae4bd2e333279d965b3d2779c841b",
    "signer": "0x019c1Ea6f901A4f7AeAa1daD2842a34Fdf9A9FB2",
    "userId": "798348033"
  }
}