{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112337197",
    "entityType": "User",
    "nonce": "0x625e19e5cab383e0bbef3c12748ee93e1e5805819d53e1663754a99c2a8b1ce3",
    "signature": "0x179b6fd8e44d00a2f994e22531442705ca191e45023801e6770e0509d65a710542016afcde7d77e7c2d6842c57892c00ec6b7c6c321a0a2047a3b4040daadc881c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}