{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8048",
    "entityType": "User",
    "nonce": "0x666ac8ed10ef487875e53f744ebaf5286b0099d9f5333ece0adfd0863ad6094a",
    "signature": "0xcd0db04bac689d011d21579ea59fc0f1d3aefc1c6d097bc2780714ba86e2ba7e72057d5bd03c31214817a4bafb8d2ac0b183a0fcac36e9895f601ba9676d8db61c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}