{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58295",
    "entityType": "User",
    "nonce": "0x8132c42028d8bec445885febbc80360b26b0bc35826812b82925f69bf6f275bf",
    "signature": "0x00b3616800259886f49e46102c76c575689d7da4a8e4ab713baa7a45be5076987e7d099368326e8b77f15e1464d68965d46c42fdb66349587f9eadbf0c4655491c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}