{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0xb3f728262d13d42af42fbc2663b8658601bb0e8e5ef7994f16a7cd993e8f5642",
    "signature": "0x57dee19d3bab6d02a523ec5d6d154e02f3623c675114614a0026493a0f9688205c23ddc547c2d4402a680226d8e7ef89cc2260a4ef3476888dead2af6bf742a51b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}