{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1051",
    "entityType": "User",
    "nonce": "0x25a30660243142c23ccdfcb98f3b91a3e9fc0ddc1d0d03628b026cbfd74061f5",
    "signature": "0xe6d4d952f2bf117df8af87e4526af85d8f930a26e79a532968b54cefaa618ef96c71c97b8ae28d0305f902ceb7c4ba13e7a38982e8bb819f009b4f24229fb4591c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}