{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374165",
    "entityType": "User",
    "nonce": "0xc9221b2b0af2b8bdaf79ac03118e6df9d058d845fd6026f430331d41aba26a5e",
    "signature": "0x3352979085e1e9f350f350c624538a372567fd01dce6760ac00ef932efd0c3b66a84105b6440f18dc697c042ae857076a1b2267d1e928253b5de1e98df71f41c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}