{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355256",
    "entityType": "User",
    "nonce": "0x167be1b926c825af4cf471929b08b0060384998cf71ed09f167226d52b2f6c4b",
    "signature": "0x5ce55c55c0d5b8c6237e5c01f71f7a5493a678cdef1b2fe2aed100d9121b88bd4b235830c45cc8728e3152c947de764bbe5a342ac094c61bd02b49a175cd2b961b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}