{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30609",
    "entityType": "User",
    "nonce": "0x192483e6251bee87b7c16e8e309c9902b1f6f51faf3df543d1e087b01dd619c7",
    "signature": "0xef0956e5fc8ea85bd66298f8497dcdba9579681442fc29a16930497dba6eca357e7508d3f7cab808a7195f7f56e77b8efd5f4f679a496aaa761e3cfb91c100841b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}