{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "212031",
    "entityType": "User",
    "nonce": "0x7ac15e5aceba07b4ec46fac77a7223a3b092bda0441768a0b4374153a0d2fbd9",
    "signature": "0x4203e30f63473e74db1a75f4168060ad0e46f220e7ad55edd0519028d678c31e71b252e03a516bc20c06df330da612ac57ae8356976a8a5cf6d045e882e562361c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}