{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62578",
    "entityType": "User",
    "nonce": "0x7172e070d7c56f633cf31db5d94d32a2b53fd1aa3e89074cb955dc85b81fcadf",
    "signature": "0xf45f7a52e4d00c778a6ab369d6674492d18e2622262f4e89d7b24e3be95de80106d0fd38b3cea265a1a6c34190ce5b909f7b6c2ca3daf712634f2464a28a1bf71b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}