{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0xd88a2b29e75f18d6df9b8d3bf1b580a0f5188db64ad126106de17a719ead7eac",
    "signature": "0x3794ae376026e02b5509bfe23e47794b11ca0f08edd79c9960451b400b6b8dfe3233ab715e8cb83e99cf61a1b1f74b4f888af37d5e666d543f076c23de45e05c1c",
    "signer": "0x6fb79570A836Ea8554ad1D745C12769B22f1e4E3",
    "userId": "283478"
  }
}