{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "272807",
    "entityType": "User",
    "nonce": "0xde062cf4a4343595ee2d715a8c7619933f37c6915de56748f7fba59cdbd8756d",
    "signature": "0xe3f39f90439ea629f1f0425b33cad84cea595be3e5c6870cb597d3a352ac5ad6007389f0a455c9218d23d2bfe0974d0160e5428e0f87621a7848f8645beee7b41c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}