{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "492362",
    "entityType": "User",
    "nonce": "0xba0edc13ab7ca8c625ad0eb95971248693a33bfff6f7270776bf6c01dc4896ad",
    "signature": "0x90864593439bd39f73cf2d4a8468cff1c082d26837afb72c9c9257755ae97e0f47f1a2a077b7977da8c4d7794076e42ceacb45acbd45372f5ad872cad2ba01891b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}