{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806684189",
    "entityType": "User",
    "nonce": "0x09b02a48e4e0dd717befc433d7e8c95ae12ed6c63f2734876e5c52a40b250eea",
    "signature": "0x7a54c6fca97c08cdbb876418ad487a0bf7cd7d34bd8eb96fd64c3a994a5d8531070b2670d487f411621e0c4d75c28d6cb704c54c13394b0d4ddc6a889b5f40971c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}