{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1907833",
    "entityType": "User",
    "nonce": "0x364bc9e584189453e22779015714a259bb6001bee20b8b7d379947441cf55ee8",
    "signature": "0xd3a798d9cde2a3ab9e9e64845b486dce549a0b088d5266d4b69a08636da7138f685306f354ffd2c3879344cd0095d1923fb04ac8bb8313e16151c1710b625f1f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}