{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105564197",
    "entityType": "User",
    "nonce": "0x901dd8324bdc8817619f86ee90a98f0a9f22d68aa63c8d26aa93bac5bad54bef",
    "signature": "0xe8f3c34b73280e0a16d21af0b3a629ce72c6bd56aa543b0a97e1febaad9420de771d2e0fdfe2cb471d646e90411a13bd29893c70a72c2c64a1149ce74e283ab91b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}