{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "290685",
    "entityType": "User",
    "nonce": "0xb59f6595cf7167993811ea473f285006faa69e366d600ccbe54c4c6f6f5a6246",
    "signature": "0x086e7c68d8188fd7f7b4d7e202e379c2896d5fe3a204464020292a6db6d36dc7111d45cca22e85bae3336bec91777555f9bad64545c22b298ae1168f1c8001e11c",
    "signer": "0x7D6D9035aa24159A11b756872c46237Cd881A110",
    "userId": "892995183"
  }
}