{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828368024",
    "entityType": "User",
    "nonce": "0x5ee608ffe05ee919aafdb03f1d0686b59de695aad1238325af19fb45bfa60dbb",
    "signature": "0xaa88fe3effaf4d608beb45bdfbbe0f258f48d639bd04f2fe998daea7f502f6446563ac162bcf385afc0152764a1c59530f73fddd96dde5a1005359e93aa22ff91c",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}