{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154027249",
    "entityType": "User",
    "nonce": "0x76cea4a81269237d5ce20e8362efd82d32065fa49e07aef6a5d881e6caf261e0",
    "signature": "0x50cd28cafa732251cb36fd81a0479a1114230879d43687beb77dbf49900b2335796d8ae3f373429ce6a558e81c118dad6011940ac3d477c9ba877177f02004c51b",
    "signer": "0x7ba9b0B258d63c763824A1Df58130E21A72D76b8",
    "userId": "300264033"
  }
}