{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203070",
    "entityType": "User",
    "nonce": "0x9440f5402e44354de8089cc8565061146a7ffda8c45aa361e0f3004930b3e147",
    "signature": "0x43e43cc70d7e5251e93e89aa577151520ea1b0601e0e0a7ae47517350424c76832b791b984a3bc7df6e908cb6597284eac6bbdd05292bbe7219b23fc4a636e8c1b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}