{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x2f4320de3cb78e475d08a213670eb0162461fd5ac971972ed6d4f748ff7221fd",
    "signature": "0xd605c1ea05ff33e3a3802eb35c619b350e80c07df6a80b4c182f33f3f1da6e65737b432b74090ae34ff69b19c22616d3ed123f60efde1b2e24335e61669c73761b",
    "signer": "0x1eCCEA0f808537b17BA7df623088F17f423f9664",
    "userId": "314279535"
  }
}