{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "972831602",
    "entityType": "User",
    "nonce": "0x0b4b655c6d6f02f7b4202b6b51eed07b0a2cffd08af7a635426d4b5cd2956427",
    "signature": "0x9978a35ded8182c276efe7d7f2e95e93e712d5ad8b34e37850b374a4051033d82c70236f0a1b1bfe4ff697cf69fcb5866dd11bc924358bfbb9ab71ce6aeeaf9f1b",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}