{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75085",
    "entityType": "User",
    "nonce": "0x781879d3798d8384e83ef8a7bde019d79ce02bbaaaf6d5acd357965897b8af27",
    "signature": "0xe00156ae61b3d830d3215d8028d5ff72364a03d85ccfa38badad115c94e314144c01e65cadf2d33f1af68bc097dd8adbfad348af6200d9c51b8ffd625b413f371b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}