{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "754753",
    "entityType": "User",
    "nonce": "0x00cd697824a8101d934425728f0388971b1ca3e292a2515b94dc65ee393363df",
    "signature": "0x33ca1eeb582df223be72ff4f7b0a740e74c9377e70041d4e30d6030792fe41923d0b2d6e0f654adace213f2e5fee9cb12db70e0aca553590ce1050cbacb514ec1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}