{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xddfa63ab174e43af70bf410641735665c5f61e0fbbcc4d60c6bb9003824e062b",
    "signature": "0xa00b5ee6fc43f1e90668e6b2c60b6e0f783182c94729cbb36004310c508cb70e46c1e8c52622fadc0019340e4724d47586a6ba53eff6f91d13c389db52ac3e0d1c",
    "signer": "0xcCc042569985F826Bd205C95c34D41d7Da719854",
    "userId": "933615757"
  }
}