{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2001065",
    "entityType": "User",
    "nonce": "0xea3f3ab95bf28f164f0b9be6de2edecc8a2421bd5524cc6376ac96c005d0e268",
    "signature": "0x4766e7a3c3e937d8253820ab654788fa07c1a197cc65280d0282495b390052f05d55761b907d39173db049d55b702b43c9363a5fa6eae500cba4cc38c30db59f1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}