{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "969012944",
    "entityType": "User",
    "nonce": "0xc46045daa88c048756fb0263ec0a0dff46534ca64dbba2cbea2b86cf8293a83b",
    "signature": "0xa789f9170aa30ba8ce9fbba530b31148a29c2d2b1b9fcc15b12262d09add61cf69017e2a865a3871d82a4c348ef687a2baf3f9447fa7291f82168ed4506a0b641c",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}