{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35918963",
    "entityType": "User",
    "nonce": "0xd6ce9ce6660c9dcd399de2f264cc927f3fcf5ac43974457452cf7b55de0a3776",
    "signature": "0x8ac593ed1e0a5a401e188bfd5cf15f1aa623f3c0d4a96f9a67e36073946ef2035e0eb9148b1e43699259cfea183d5c6fde99d98640a2e99cc250ad594c49b9f91b",
    "signer": "0x4F8e40E75E675f5be20520c4cEA0CbD7bBb999B1",
    "userId": "991796067"
  }
}