{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xdf26ed429f48eaa533a128a430d6b86da6b3c03553f6ad8139359a3827b7c697",
    "signature": "0xf70d351c248fb7bc00399dd1682dc3588cc0f5994be4affc767100147e189b0479c317fdd42e30639cf22f0831df84eca2f67364a48bb4f408f0c0b5fa2fc04d1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}