{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xa7dba08ab1bfabb57c191fa91d6a195e753c70f86665418c5a09dda95d80c6ac",
    "signature": "0xb3a1c4424bf28e5f7772eb555fc8052154f8dd5d61db78fafe9f07354d6124f9572b4c780ceb12ccdd79ad452dc118e848c6c3e673d363e7ae88502765ca90fb1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}