{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "274879",
    "entityType": "User",
    "nonce": "0xeac34a3505576a4807a96bfd5ccdafe2f76b1fd0a03e82600ffe49a00ff93aa6",
    "signature": "0xc0cd3a4b5d87a451beed8cedcd12d34e8e231496fbf0ced63014a77f1967f37266c0faadc82de7da906bea79beb7cc0c812946c92ed45e6962c6093eae0676891c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}