{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227970",
    "entityType": "User",
    "nonce": "0x3d51041cdf1d3208c5a4cd0b97eb37a35ad5bf64235e24c3559dd35913d21057",
    "signature": "0x9ca4266a941c6ddd8aebae220ffb59c1bf4e29b46c5f16e7585980c18a22554037a35bdc5513a9b99179ec0fab620683ecc57f2ab50fec6b4829f779ad00727c1c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}