{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe161d8a0db8c282c8631ee970fa3aff61e7cbba2c3165d096f3577ab0f48944b",
    "signature": "0xd62ecab30b528a8ca43ccdc2faf94c0c6ea0b85644138493977d6a7cc129a0ba55e7123a73b1c71cdba64061056f5611b7acba8373f2adc4d8f2179c7535bf741c",
    "signer": "0x01E9e01C2C3e06dBd38a0b4B808007bA19fa0a7E",
    "userId": "830907719"
  }
}