{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297607",
    "entityType": "User",
    "nonce": "0x27e186a778eb7ef026d3b3512e2620620c47647e0c4258d9dc399d5e9fb9f0ef",
    "signature": "0xa269c00e157eb8e9907472fc733279d80ff89c09cca83de7f0b5195f61e4a2953986fd27db52561a3e287adfacc9cd307acdc7342b7c9db78feb3928d12d53e01c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}