{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37943",
    "entityType": "User",
    "nonce": "0xc1d99fef0f7f0f69fcbf09502554baa49b8ec37d2138a79002c521a522462dd8",
    "signature": "0x416779afdff2906bf6207d53b93f84e3b0ba7a96f04d06a0314aa2b99b618a437bf8f90cd98d642e587622627b8a357b78636dbb33a28ecd68eb98efa1d8507a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}