{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "46604807",
    "entityType": "User",
    "nonce": "0xa4eac4d38c9ab7aafbf8c954ca7d54dfd9b0cf4a4dcdc88a92720ed5c0269bba",
    "signature": "0x15aecc27e3f4a23f072aef1f9ba82c31376c9d78b9035366cbbf64d03223c0284755bcfc91cb2e5608c8b27ec8f60d2d3cf59eed827a2cf2fd2cc7a2f12fd10b1c",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}