{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x8506a29f6a693ec829ca69ac8b2a9710f7a8839ca3ccd1d20de599c77ce9e267",
    "signature": "0x97cc7395cdb7040e47d0f214531c2af11645775dab7dfa5783768143492dc80370de8716b310f8242213b3142b74159381feb53f9056788198471f44e54b85b61b",
    "signer": "0xBB77Dcca4e3d490f52DfF21c8ea12dbF3d5c8FB5",
    "userId": "100778"
  }
}