{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15486",
    "entityType": "User",
    "nonce": "0x3ed16611da4d0e04bec0dfb8e0140bea042611f1500fc487f5ec1d7e1efdb0df",
    "signature": "0x82ab8df65f6e54ae6674a85063fffdc85eabddaf91c6f8ccde81c6b6b40736365e78f8c9f5b30b4509484e2c9d11070850e7860386e6c32580876a2adbf50e481c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}