{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb92fe8ebb413ff15400622b5d1d0b46645185450eb1ecb93800f5a3a2d628df4",
    "signature": "0x6ee6020d86460fec844395ab3ddf8790273e92a721d7be9d6859263de4f6691c03b72c07dbe3662e2b2b43542ba746a146c71183fd6553fab343aec74a1f57f31c",
    "signer": "0x1660172dAeFe07C6cf5B9B55523A06207e6680fB",
    "userId": "461907036"
  }
}