{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "243128083",
    "entityType": "User",
    "nonce": "0xfc316ac1db55cc8775a650c3827bb254280d5ace3eaeae17e28c8091f035e1b6",
    "signature": "0x47debb44a84da9f2b59736f86333f16fde0384ce83f5ce5d6230155e7b15266303c535767e32616048d5f21208860742afc1718d17156acd55f604729c9379cb1c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}