{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374907",
    "entityType": "User",
    "nonce": "0xbe4ac4a72df8f44a48ec7365b3ed883157d937891dade2ed350677c33a9f8768",
    "signature": "0x6b93cadf4b09b28123ac3016aac106d2e6bd1db5b7865b9a131e6fbaf94113155e804f1b207d187150ea611ee361e56e21a0c55191fc36dcada241dd8113c44b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}