{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x14282cb8715f6f22c2698413e906cadb877c0f8c1f9bd24427f399e503c0e2b2",
    "signature": "0x3288955af8378fb62c58b768bc11dd8e2c4599c76831dd5b66292f24d4459d477c8a60fb5d8f50f76cca95ddab4cb088e313e74b84af40f6ea78bd5e9597ac2a1b",
    "signer": "0xc793e720C73d292e4fFF098db22d08ceC476710D",
    "userId": "780060168"
  }
}