{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125858",
    "entityType": "User",
    "nonce": "0xde4c40a65c488c606122041da78ff0ecc473c13d9071a273ed12d5d0e88272da",
    "signature": "0x3385c22aef30ca6bde30ee7e1e26cacea5b8cf501b360bc57fb55f5843709dd07649159efbbf41690bc854004fa7434d2c9bf4bc7228246fec3719df2c4dd3081c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}