{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "271040",
    "entityType": "User",
    "nonce": "0x60e28531c0915473bc37bb440c1aaa54beb0431e4644761628fd3ab91ff61485",
    "signature": "0x59f61dc4f68e3f6a5b92e8c61788d6d93fd00f855e52fc0fcce42bc57ec55c4f454096eeb46dfab6c0f9b6e545a5dd31f11133c0f9788f63c02ecee0684df22a1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}