{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "387358",
    "entityType": "User",
    "nonce": "0xe1bb2b72bd76165aaaef4894358caca4de9fd9a400d8ea509c1b875743fbcc68",
    "signature": "0x43d949fec23f1787ef9d16899c37cabf69501e86e81a38830879ff3c6a449277016ad1418b02f7acdd92bbb846086c8b7754f9b29285634e9fe0f6901c5b80e11c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}