{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1495091",
    "entityType": "User",
    "nonce": "0x93df28bd20d99dabbfb4645269bff6dc98256bee9f415f597570afc4c2f3ca2e",
    "signature": "0x3e5796a8f265e55399c35aafb99483be9e904fc03db01c22840a1539925ec769301cf69614596e14a771e1e959be202ea3d8559abe335e10c5e5c824f01cda1d1b",
    "signer": "0x75d782C5a68f76DfA69c426479B6ad14383D035f",
    "userId": "328056745"
  }
}