{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295993",
    "entityType": "User",
    "nonce": "0x5aed352d70441b7897fe531b7ed224206966c0451f0f776555874f9f2837a412",
    "signature": "0x1e0cd747e4de7076887fdd922f00c7e2b49390426a5c69317020a6898194bd6e3585682ea45800c34417142e5d5381ef74c21675351035e072cd8043e5aa54391c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}