{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61368",
    "entityType": "User",
    "nonce": "0xf7e3b175a092257530a38ae560b3645890faa8f58a528ef2e332c9b025569910",
    "signature": "0xf8f23ad898136ae7666eaeee8ef13e068a4255174f6eef4116b657cdf4a73ede24e7d00229acc195c80d234869f79fb91d503f5ce234e1b2e34550bfd0dfdbc91b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}