{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584797029",
    "entityType": "User",
    "nonce": "0x774c5a663e3b500cf4997977632c853ffc448f2fed7faed7d4762e5c6e723e9b",
    "signature": "0xdbf36d44112d27a8beeb58805c4d2ff909361fbdd2111bbdfa6516b9761ecf04097a59980cc3f729a05db93c65d110e9a2f2a55ccb637b4fb60d0a23a4967acb1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}