{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55234",
    "entityType": "User",
    "nonce": "0xffe5ba9aba7bb87d9fab64278a135bdcec3be11f6309688367942b86b1984402",
    "signature": "0x203baeb9ae8ef87fd8017e3bebd0713bd0ab8db6924e0232b55f10e02b7f2c0d1f36e2fa92304e3c6e87f45d12c061fdba9e99859566b06b99565ab50c55c1221c",
    "signer": "0x03E5AB695a2c019b6d2D0a670F5b7F56f4F4F6A5",
    "userId": "260118392"
  }
}