{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4359",
    "entityType": "User",
    "nonce": "0xae4c282c36af16a77b696578b0bf9d0d23c3a9f501812dc0d51a1b2fb9d6e6aa",
    "signature": "0xddd131bffaf6c7efbbe8532d8ee7e701f52e6e37949bf12b860b639f5ad48ca41fd9e7dc784c9f744c2522609659ffb727ddacdc952d1e57f0f4abd4c6b28da71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}