{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xe47f90728df75262096d51141f7f3b9cdd0823c1db6d92219dde4d5d0b348286",
    "signature": "0x4411dc46c30b96340766c7b2148a15940f2d3bface89d8dc10eddf74cf18d82f61d8fb5076c722a2fb0b8d19a398a826b381aef513aa3d55e0d9e26fb52625361c",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}