{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "173067127",
    "entityType": "User",
    "nonce": "0x1f58288a812f2e4189a20e0da8a98bf240904a6401519a2bb49a39f751a672af",
    "signature": "0x7f30dbbd0d8af608b94459bb542cdb0edb44770eb0e0483398105d5f5f44ccd14143af60149231763515ac7d0a7b432052e99521ffc4834b7e675b1749d852741b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}