{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "929527036",
    "entityType": "User",
    "nonce": "0x413cc4bf87542877e15956403fd838be75b0293d22083a47d1273aece3bc62ff",
    "signature": "0x8a3760baa575a3e004406f574d688685ba1c192f20cc57f39d3297d37edca8452c2508ed6c5ab5e54babccfdda65552a1d1944ef1975f7fa86a7255f9b58eeff1c",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}