{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109130",
    "entityType": "User",
    "nonce": "0x56e52e3522a88e19466b04c5e2c7b95cc75b703c9c25a5900e77de62acb26391",
    "signature": "0x79ad70d02bcc16b71c103da276c3c04b250a7ce3d817019703b301e1576c692410dc0e78b6afd7434a74030c54681b4e440c86be0c1617c26160b35c241ac7341b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}