{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984691913",
    "entityType": "User",
    "nonce": "0x1d8f06ba09de903ee36b1771d6fc154648f44b82f1e2eb1c40a62b68ac73b228",
    "signature": "0x2c80c5bf90454d28a5979bf91bc9cd0378fa598e64a5e52fcb8e342acd64f5fd672a2edea238a38445b249e20627bda255f7c345e0007e24b8968e9116a83e3c1b",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}