{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943474958",
    "entityType": "User",
    "nonce": "0xd8cbcbe8a935cf32b8b9a0e11a1ba61355db30f3f4e3e653a219d4663491bfac",
    "signature": "0x63fd1139341a659cff300eb96c582e217e7c69168718b79bdc5fa3c55ec68e293fdb1422e39d0bf78cb25c40040e1c5baa8096da793df96e199b7b631e4180511b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}