{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "587153376",
    "entityType": "User",
    "nonce": "0x9f5d6a20670e46866aea87fed55bfe3201b65b160488c634bdab0409c90f7a3b",
    "signature": "0x7956710fe1c1bea2ae1ad5926a97b8d56f0bffc2572be7874746b7045a56711912cc3f8676dc4479550609785fbf6ef69d31f2cbc9fb8bdb9828a2229abc4b801b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}