{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28768",
    "entityType": "User",
    "nonce": "0xac6d6b45fda1dbc1dee48afcdb2022d871f071e1d06090e714dcb02109d022e6",
    "signature": "0xe415c832a089fe3ed84a88ce92de2fccc4c0cf7af230aef7b14c9f0fd705e6c83bd0cb52c41b986336777ebaa9804670e2edcf3e6fc6202dc0c1c9fbc49534af1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}