{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1430375",
    "entityType": "User",
    "nonce": "0x7a0cfa0fbe065cb3decfde4f4a422d27badc8bb6342bde2213d49f2a68264d22",
    "signature": "0xcc383646c46634d3eda87d23736e28ad7554aa76035ca3e8384fd09279fbf9626f5e1aa4d7cca5bbddea84d2263197c17d66a5d40e31d7e21f2b2262d135c0f01b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}