{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x08e247521e908bcc01ea8c52c9d3f9522f5adfdc9b762deb5d5c02c1bf2175e5",
    "signature": "0xe4569cde2005da579dd97f11e66f1bd1e146fd29e4f187f35f95d65bcc9c61de3428ec65bba6ddefe786f7bee19071ef16574595a0875abe0764b4a7e935b13a1c",
    "signer": "0xAf3581E42380be61d394a79FbCBD429Da6bea9ee",
    "userId": "79535688"
  }
}