{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140",
    "entityType": "User",
    "nonce": "0x00e8779985ce5baca49c851948da861b99ff350e5ac92bdb1c6948dda2a866de",
    "signature": "0xf5f3c97f6dd7ecdaa5826acf5183ea675d6deaa7deb7d251fb67003df16ebdc56e8bb8c58e0f9990b0d969b65edc24516dca8b4d18b2fbaf90a2d7274bfe121f1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}