{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x08b0686f5aee204777a69d69a453269353dc6699fc80f384195c81cada15081a",
    "signature": "0x9157bc65620c41ca176e23dea3fda8fd8bd030b149fa81ea7f360110c23845eb38f5d149221e26276f116b0620f0ef1494411bbbe545af1d38d03d1b56342b4c1c",
    "signer": "0x027dee4FAcAE77245A6F18464aC5fBf055796333",
    "userId": "485711275"
  }
}