{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x1195c5e4713ab786eecaa03274441a09b9b9220f998e829ac8481cbddd6278dd",
    "signature": "0x839daf342bb7ed0bd22f894f7b03c416f025cf5769fbcf3ee6e448ba846402cd7b7db08f61778e91c338722aeb9a0847c12e2057173d7232c0559daff30a9d231b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}