{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64736",
    "entityType": "User",
    "nonce": "0x1f5ac926fe615bc42247da4eb3e27af8d1406a349449d7253f86cf2d3f08c12d",
    "signature": "0xfe59335f28e3f6827006f048a799e0e93a6ec68af7178590b32efc4ed39640f416428975a1164f288eff9a9027df19bc8726f8985e5f40c464f5cbb57ef1e1ec1b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}