{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2752",
    "entityType": "User",
    "nonce": "0x8c398ff01893688168731db3ebd2a7a953d0558b9461ebfe855f1f81d603bf96",
    "signature": "0xf07480f7283dcb72e9de486fe100927899b0d20bf979054c31d05cd1d4ea082b3cc959912db7cbb6443120c71da7063583adc7f2101fe433bd432855f52730c11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}