{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "291465",
    "entityType": "User",
    "nonce": "0x0a04ca6a4e0f5cf4f49438d4d376fbf30b2cb78019e0aee03182ce2995292d81",
    "signature": "0x82ec2fe538a1452b14ac983f36f15245f4faedfc17967d00f9e918b6dd6e4044605b5aeda713289f0b0e6e51480c8eea6591f153fec8cc32bccd2703bf981c151c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}