{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38358",
    "entityType": "User",
    "nonce": "0x7256410e6ac96b19f0961e5463a7beb6962b523d9b5d9af7ef50ef4eb258ad7d",
    "signature": "0xdca440e6780e1ea071569fe0eb8c99cf08469d10412c7f0977f08d1cc386e0052089be808cd5194a37cc2b264c6bba43e8746a7d37521427d1833fc14ce65afe1c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}