{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78335",
    "entityType": "User",
    "nonce": "0x4d9371618a76f01ce911f8b369f9f2d57f47665df2471b87905b3eb03e75efc5",
    "signature": "0xd916283cf992212d76ff7345ca04b3f9c3fa1c7a87cf71b09587ab7b111ebd1448e0d6d273628c1581319d8db5f3e2c6af1be8e19f9934afce2207744c0cfe2c1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}