{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "808833626",
    "entityType": "User",
    "nonce": "0x72d55eaf9ff17fbfa8a84af3926c415c5fa709e2bc2394ac73afde74e24e242f",
    "signature": "0xc4f5c5b35931ec335027a3c7e8c375445c69808d8c6ce1cd4b784252f822a96e7144d93a44d6c166fa432e77109cf2a2fdae02a8523a51f20ab6f9ae78cf6bc91c",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}