{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x567c4d1255d87a22b418c21066b7f2568e6d955e6f93609bc744448876e961f9",
    "signature": "0xe7bab0254db97d72bbb697528b114eef5711a42386cd702587ba9ca34684d0944665d1c5856c8794b09c82b4828ca6003704f85a6153675c9e450ef8685945dd1b",
    "signer": "0xcDd4bA67dFa5A12799fdF828BAe6484f14Fb02Fc",
    "userId": "502753271"
  }
}