{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "582447217",
    "entityType": "User",
    "nonce": "0x91f90f07c8801a2da27a41d025e231807228fcf6c4dafa57f16ace112591a67f",
    "signature": "0x5eb343e335d95361704ce01c90f2574b0e000b771be0e631265467c11b749c9a102148d6d4af059a41df73d45e40878fb48b2f5336df6b348d556e54b78cda821b",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}