{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3516",
    "entityType": "User",
    "nonce": "0xb344dc32a444a94c39547f0d1ec507fb132f298f5ac1a00750af3631b276162d",
    "signature": "0x5b3281465ff0ee551014d4c3cefad600433d3bc1768f0df8902148bfe596e09c4f13f5bd1e7f2883c1d17e0c82b228c79b5356c9bc9c8663d0106db49cee08351b",
    "signer": "0xdCAf5149A8084F2C1c72dE882740656EfA9715b4",
    "userId": "994758391"
  }
}