{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131467",
    "entityType": "User",
    "nonce": "0x9fb0a7864b73b75829262b4e7113d5a142ef78595b6fff73ac189199a3e16a97",
    "signature": "0xac341801d3d034aded7d2169f9b98b0d48f7ac51bffddd0e40cd65da9b6ab082504365e1f54785a03f15f86e80595a573a1450485d3a1f7c3eeb6c13ede440321c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}