{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104921",
    "entityType": "User",
    "nonce": "0x8c861daf8dfa5a16ce1e101c820fe394589c768dd59af177d2e81fa48b140cc6",
    "signature": "0xce749782ab041e9c2c8a242860539e5e2d40b1199b01fc03821a306bb6e852c8722cd51de6125299404bdd80c20a8951ad299e2412560070e5ffb4b337c94d7d1c",
    "signer": "0xDc9E6086716d1ed5Ccbb7144C00E93f86Cc9Fb26",
    "userId": "436039881"
  }
}