{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299279",
    "entityType": "User",
    "nonce": "0x0be6e0894951491f399cc4f0aba904347515ead0ef76a8a039ebb43794022c49",
    "signature": "0x67278cb9ef178378ce165d455675cd9422a258ccaf6d302d867557fc81c2c52430321c3e2aead9f2a002b9090ab1c090fcac405b8c22e42cb697ed87cf5028091b",
    "signer": "0xb3251e338E9c1c14772d278EF24EEc029771BbE7",
    "userId": "119910748"
  }
}