{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "961722239",
    "entityType": "User",
    "nonce": "0x5994df99613e02a0c36ab499b2f03a32cd59fbd10df9f36d48c4bf0931a98d3e",
    "signature": "0x133e3a999a1ee991570ec326e56565dc2032ba3959af22e00793bc136ecc5e034f60cf070249617db69c2fbb385fdb1b11de41cbcda9854d30cf1782c5b575161b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}