{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14811",
    "entityType": "User",
    "nonce": "0xb4912c5f50a92ed6e0cadaa64713b88112f72d97836493f3bc643dee15d5a814",
    "signature": "0x2a7897ab7ef83ae5244e524d17cf5df79c4e7a678aa40a92ca12539947470c54050bdc16788a8e9383bd23dd4581738a647f3e383ece30fb6a180947ab9727191b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}