{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38358",
    "entityType": "User",
    "nonce": "0x523339861abf27fb0c0a5c31856f03840790ee89ef3fdc32312b07d82466eaf1",
    "signature": "0xd832786ddc90108273b55616f44d95fb0901df5d5c7cf5ccaf9c8ea2cc6e2c6d446999bbcf58440e379d27488d9cf23999f5cd23b3f0abc5eca2184b4dc5c1191b",
    "signer": "0x34F50BD1d16FaA0390f6037c86b7D52Ff6629a25",
    "userId": "739630124"
  }
}