{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326088",
    "entityType": "User",
    "nonce": "0x99f45e7566c4d7ef07d3c99714107a9f14ba70fb587bdc4433dee23cc6791384",
    "signature": "0x0930fc199e987c577c1f5571a0855cbaff47ba85f46fa25351d5282c8e0a0df514528985349c71662aecb0d32b0bf9f20940ea29ee141d9a5e808734927bf7011c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}