{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98311147",
    "entityType": "User",
    "nonce": "0x0d198a7b60814155284a441aed25e46bee85ec7d8df2feb85179ef081502e63d",
    "signature": "0x9777f4331b9a461226e8e59dfedb73ac3a8ee697ef278be3456eb2c31d68f0665f3790bb20cf016adbc5a41653775408fa1223e478a9bc243bd4762368e5f1021b",
    "signer": "0xca893737e1b1765598267A674C70600eBF23C35e",
    "userId": "451786021"
  }
}