{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42634173",
    "entityType": "User",
    "nonce": "0xd355d33c8e3083579cd6bb1cad374ac46f6116db3da1fa9bf942961b7d32c474",
    "signature": "0xdb8e794ddd64f65ea36f69d56227a2e228958e4a73d356e3d8d9cbdc5fbd1d8022e598d1f858c6a56a0169f3b6409f02bcb440335739ac5b81232a2e588e928f1c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}