{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122228",
    "entityType": "User",
    "nonce": "0xca46dbaacfb680f9af4e160357e6c490e1745a6bdef9688fd1be334340d1904c",
    "signature": "0x058f4a697697a7988189e5da91da41b0e890b473109cf37c8ae63efa377ed0916e667e48966b34f0cea0481a40583887572d5fa2331321f7aa618d4718c7f2131c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}