{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "341",
    "entityType": "User",
    "nonce": "0xc1ac17c774912eb87827f95f5f38ca843aca436187db08645d801ae70df4ff8e",
    "signature": "0x69a226c72e20db47847d05e26f6e6aed88e6e049eeb6bcf00b93df462509a6445ae36b5bd65e64e4008fa644fda2f42ebf3beadcb77835d55ebceeb28ab51e121b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}