{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "564931800",
    "entityType": "User",
    "nonce": "0xaba084a2aa38efeac00a1f09f6c1e541ceb7b7ed8329bdd961538f60197358d3",
    "signature": "0xb4c5790b2dcb8293ec773e2f5d9e77acc34ab126d27f7ae646d1c5180e5fe84e7ef15c3a16b85c880d19636d5eaa3354e53ccfb012d0545e027dcd0d5e250bfd1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}