{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395",
    "entityType": "User",
    "nonce": "0x3914b5933ab310b449a57fe688c91ed1d726371cd3bf6b547e61461ca0dc9bcc",
    "signature": "0x8f39f837c4808685ab21817dfaf37f786f857d6700f9c12927abf3b74ea5a00e3adc6a74651f2f41fe20c9430f1c9aa60ed1adcbd5e2a1ff747009c181c8d33a1c",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}