{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "595543989",
    "entityType": "User",
    "nonce": "0xfcc77a730aec3b1a3b60323103f80a1a90d4da9d9f460f5174092525c8b7f29a",
    "signature": "0x382af70d27a7d36d41a1472990f8d64d65fcea9afa1ac349662dd3872deafd873ccbc2d3afa86cadf6d3959ce1d187c3ae524c35d0ad40f687e6d334e779fde81c",
    "signer": "0x1cBc319335e478eb23e1eaC12B34FD7f4b46B892",
    "userId": "770514815"
  }
}