{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "576538506",
    "entityType": "User",
    "nonce": "0x8a37af5752ecfcce4b807d8044d9d2d341ca661fd3784ad4b0e23ae1044f5636",
    "signature": "0xd205d17d72a9cc300c7ac3108840de26e0bc518f2453e0231eb6169c7cf94c0153ea4c3a0956b7edfad9e2feae5a23161c0220f458cd2af95a6f04f94c2fec151b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}