{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760481887",
    "entityType": "User",
    "nonce": "0x9c760e8afa3a3719be4c2d3ef52bd9f088909f567e3637cae402718a34e77751",
    "signature": "0x32fcafe855cb3dccc5608f7e50be8c7ef67ff249cc27bb85a2239f923262cddc5af61bbcee15929b696fec0bc02e56077a9b1589cb6272f1f9928b90af210dd11b",
    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}